refactor: migrate API from GraphQL to REST (TypeSpec/OpenAPI)

Replace the entire GraphQL stack (gqlgen, urql, graphql-codegen) with a
TypeSpec → OpenAPI 3.x pipeline using oapi-codegen for Go server stubs
and openapi-fetch + openapi-typescript for the frontend client.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

1 files changed, 0 insertions, 77 deletions

diff --git a/backend/graphql/model/generated.go b/backend/graphql/model/generated.go
deleted file mode 100644
index a305535..0000000
--- a/backend/graphql/model/generated.go
+++ /dev/null
@@ -1,77 +0,0 @@
-// Code generated by github.com/99designs/gqlgen, DO NOT EDIT.
-
-package model
-
-// Represents an individual article/post from a feed
-type Article struct {
-	// Unique identifier for the article
-	ID string `json:"id"`
-	// ID of the feed this article belongs to
-	FeedID string `json:"feedId"`
-	// GUID from the RSS/Atom feed (unique identifier from feed)
-	GUID string `json:"guid"`
-	// Title of the article
-	Title string `json:"title"`
-	// URL/link to the original article
-	URL string `json:"url"`
-	// Whether the article has been marked as read
-	IsRead bool `json:"isRead"`
-	// The feed this article belongs to
-	Feed *Feed `json:"feed"`
-}
-
-// A paginated list of articles
-type ArticleConnection struct {
-	// The list of articles
-	Articles []*Article `json:"articles"`
-	// Pagination information
-	PageInfo *PageInfo `json:"pageInfo"`
-}
-
-// Authentication payload returned from login mutation
-type AuthPayload struct {
-	// The authenticated user
-	User *User `json:"user"`
-}
-
-// Represents a feed subscription in the system
-type Feed struct {
-	// Unique identifier for the feed
-	ID string `json:"id"`
-	// URL of the RSS/Atom feed
-	URL string `json:"url"`
-	// Title of the feed (extracted from feed metadata)
-	Title string `json:"title"`
-	// Timestamp when the feed was last fetched
-	FetchedAt string `json:"fetchedAt"`
-	// Whether the user is currently subscribed to this feed
-	IsSubscribed bool `json:"isSubscribed"`
-	// Number of unread articles in this feed
-	UnreadCount int32 `json:"unreadCount"`
-	// Articles belonging to this feed
-	Articles []*Article `json:"articles"`
-}
-
-// Root mutation type for modifying data
-type Mutation struct {
-}
-
-// Pagination information for cursor-based pagination
-type PageInfo struct {
-	// Whether there are more items after the last item in this page
-	HasNextPage bool `json:"hasNextPage"`
-	// Cursor of the last item in this page
-	EndCursor *string `json:"endCursor,omitempty"`
-}
-
-// Root query type for reading data
-type Query struct {
-}
-
-// Represents a user in the system
-type User struct {
-	// Unique identifier for the user
-	ID string `json:"id"`
-	// Username of the user
-	Username string `json:"username"`
-}